[ 3253.839537][T26139] gre: GRE over IPv4 demultiplexor driver
[ 3255.061308][T26164] ip_gre: GRE over IPv4 tunneling driver
[ 3292.230036][T26742] ip6_gre: GRE over IPv6 tunneling driver
[ 3317.321803][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3321.225786][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3324.617733][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3328.521750][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3457.511801][T29218] ping (29218) used greatest stack depth: 22912 bytes left